diff --git a/.github/workflows/ros2-build.yml b/.github/workflows/ros2-build.yml
index 0844093..4da8dc2 100644
--- a/.github/workflows/ros2-build.yml
+++ b/.github/workflows/ros2-build.yml
@@ -2,7 +2,7 @@ name: ROS2 Build & Test
 
 on:
   push:
-  pull_request:
+    branches: [ main ]
 
 jobs:
   build_and_test: